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Gametogenesis

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Spermatogenesis & Oogenesis

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Gametogenesis

  1. 1. Gametogenesis • Gametes develop in the gonads (sex cells) • Spermatogenesis • Oogenesis
  2. 2. •Their are 2 types of gametogenesis
  3. 3. Spermatogenesis • Production of sperm in the testes • Produce 4 sperm from one cell • Meiosis
  4. 4. Male Reproductive System
  5. 5. Oogenesis • Production of eggs in the ovary. • Produce 4 eggs by meiosis • One egg cells is function • Three egg cells are nonfunctional • The are known as polar bodies
  6. 6. Female Reproductive System Sperm Enters the vagina 1st Sperm must pass through the uterus 2nd Lastly the sperm and egg meet here for fertilization
  7. 7. Oviduct Fertilization occurs here
  8. 8. Zygote • Zygote is a fertilized egg. • A fertilized egg becomes an embryo as soon as the first cleavage occurs.
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Spermatogenesis & Oogenesis

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